x-2y=-5
Add 2y to both sides.
x = 2y-5
Substitute 2y-5 for x in the other equation and solve for y. Then put that value for y in the above equation and solve for x. Check by putting both values into the first equation.
I hope this helps. Thanks for asking.
0.3x-0.2y=0.5
x-2y=-5
1 answer